西北气候变化与生态研究

气候因子影响天山北坡植被指数时空分布研究

  • 谢国辉 ,
  • 武鹏飞 ,
  • 王润元 ,
  • 周立平 ,
  • 李晓东
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  • 1.中国气象局兰州干旱气象研究所,甘肃省干旱气候变化与减灾重点实验室,中国气象局干旱气候变化与减灾重点开放实验室,甘肃 兰州 730020;2.乌鲁木齐气象卫星地面站,新疆 乌鲁木齐 830011;3.新疆师范大学生命环境科学学院,新疆 乌鲁木齐 830054
谢国辉(1965-),男,四川南充人,高级工程师,学士,主要从事农业气象、农业遥感应用等领域的研究.E-mail:xghcwd@mail.xj.cninfo.net

收稿日期: 2007-04-05

  修回日期: 2007-05-22

  网络出版日期: 2007-06-10

基金资助

科技部科研院所社会公益研究专项“西北农作物对气候变化的响应及其评价方法”(编号:2005DIB3J100);新疆维吾尔自治区科技兴农项目“新疆农业气候资源综合区划技术应用推广”共同资助.

The Study of Variation in NDVI Driven by Climate Factors on the Northern Slopes of the Tianshan Mountain

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  • 1.Key Laboratory of Arid Climatic Change and Reducing Disaster of Gansu Province ,Key Open Laboratory of Arid Change and Disaster Reduction of CMA,Institute of Arid Meteorology,China Meteorological Administration ,Lanzhou 730020,China;2.Meteorological Satellite Ground Station, Urumqi 830011,China;3.College of Life & Environment Science, Xinjiang Normal University Urumqi 830054,China

Received date: 2007-04-05

  Revised date: 2007-05-22

  Online published: 2007-06-10

摘要

利用2000—2004年逐月的MODIS归一化植被指数(NDVI)数字影像,计算了天山北坡NDVI动态变化与气温、降水变化的相关关系。在此基础上,分析了NDVI变化的区域分布规律,探讨气温、降水对NDVI动态变化的驱动作用,研究了NDVI变化的气候因子驱动的区域分布规律,并据此对天山北坡植被NDVI变化的气候因子驱动进行了分区。结果表明,研究区的植被状况主要受气温和降水的复合影响,气温主导影响区域主要分布在天山中高覆盖度林区和绿洲农区过渡带以及NDVI≤0.25的荒漠区区域内。 

本文引用格式

谢国辉 , 武鹏飞 , 王润元 , 周立平 , 李晓东 . 气候因子影响天山北坡植被指数时空分布研究[J]. 地球科学进展, 2007 , 22(6) : 618 -624 . DOI: 10.11867/j.issn.1001-8166.2007.06.0618

Abstract

In this paper, the monthly digital NDVI image spatial resolution was used to study the correlation between NDVI change and climate factors, such as temperature and precipitation, and the rules for the regional distribution of NDVI change from 2000 to 2004 on the northern slopes of the Tianshan Mountains. The relationships among these factors were analyzed for trends, and rules for the regional distribution of variation in NDVI based on the correlation between NDVI with temperature and precipitation were developed.

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